kg Cm2 to PSI Converter - kgf/cm2 to psi Cross-Check

Use this kg cm2 to psi converter to translate kgf/cm2 readings into psi, kPa, bar, and atm with the exact 14.223343307 factor in one cross-check entry.

Updated: June 13, 2026 • Free Tool

kg Cm2 to PSI Converter

Pick the unit you are starting from. The other unit becomes the result.

Enter a non-negative number in the unit set by the direction toggle.

Results

Converted pressure
0
Pressure in kilopascals (kPa) 0kPa
Pressure in bar 0bar
Pressure in standard atmospheres (atm) 0atm

What Is kg Cm2 to PSI Converter?

A kg cm2 to psi converter turns kilogram-force per square centimeter (kgf/cm2) into pounds per square inch (psi) and back, in a single step. It uses the fixed relationship that 1 kgf/cm2 equals 98,066.5 pascals and 1 psi equals 6,894.757293168 pascals, so 1 kgf/cm2 equals 14.223343307 psi.

  • Hydraulic systems and shop gauges: Translate a 140 kgf/cm2 hydraulic line pressure into psi for an OEM data sheet that uses psi, or a 2,000 psi pump reading into kgf/cm2 for a European maintenance chart.
  • Pneumatic and gas-cylinder equipment: Convert a 7 kgf/cm2 workshop air-supply reading into psi when the regulator body prints only pounds per square inch, and reverse the same value to check the local compressor spec.
  • Engineering textbook and datasheet problems: Replace a kgf/cm2 value with the equivalent psi figure in ideal-gas, fluid-power, and strength-of-materials problems when the rest of the workflow is in US customary units.

The technical atmosphere (kgf/cm2) is the unit used on most European pressure gauges, gas cylinder charts, and hydraulic datasheets, while psi is the dominant unit in North American specifications. The result panel shows the converted pressure, then kPa, bar, and atm. Every row reads from the same underlying kg/cm2 number, so a transcription error or a misplaced decimal becomes visible as soon as the input changes.

When the same reading is printed in bar instead of kg/cm2, the Bar to PSI Conversion tool covers that 14.5037738 bar/psi factor with its own cross-check rows.

How kg Cm2 to PSI Converter Works

The conversion is a single exact ratio. 1 kgf/cm2 equals 98,066.5 pascals and 1 psi equals 6,894.757293168 pascals, so the kgf/cm2 to psi ratio is 98,066.5 / 6,894.757293168 = 14.223343307. The same factor reverses the calculation, so the calculator applies it in both directions.

psi = kg/cm2 x 14.223343307 and kg/cm2 = psi / 14.223343307
  • p(kg/cm2): Pressure in kilogram-force per square centimeter that you want to convert to psi
  • p(psi): Pressure in pounds per square inch that you want to convert to kg/cm2
  • direction: Toggle that picks kg/cm2 -> psi or psi -> kg/cm2 so the same entry handles both directions

When the direction toggle is set to kg/cm2 to psi, the calculator multiplies the input by 14.223343307 and reports the answer in psi. The same kg/cm2 value drives the kPa, bar, and atm cross-check rows from a single underlying number. Toggling to psi to kg/cm2 divides by 14.223343307 instead, and the cross-check rows still read the same underlying pressure.

Worked example: 7 kg/cm2 in psi

Start with the Omni Calculator reference value of 7 kg/cm2.

Multiply by the 14.223343307 factor: 7 x 14.223343307 = 99.563403149 psi.

7 kg/cm2 = 99.5634 psi = 686.4655 kPa = 6.864655 bar = 6.7748877 atm.

Use this result whenever a gauge, datasheet, or textbook quotes a kgf/cm2 reading and the rest of the workflow expects psi.

According to NIST SP 811 (Guide for the Use of the SI), 1 psi equals 6,894.757293168 pascals and 1 kilogram-force per square centimeter equals 98,066.5 pascals, fixing the 14.223343307 factor that the calculator applies on every conversion.

According to Omni Calculator kg/cm2 to psi converter, 7 kg/cm2 multiplied by 14.22334 equals 99.5634 psi and 9 psi divided by 14.22334 equals 0.632763 kg/cm2, matching the rounded cross-check values produced by this calculator.

For a broader unit table that also covers torr, mmHg, inHg, and Pa against kg/cm2, the Pressure Converter sits next to this entry as the cross-unit overview.

Key Concepts Explained

Four ideas shape this conversion: the exact 98,066.5 pascal definition for the technical atmosphere, the exact 6,894.757293168 pascal definition for the psi, the 14.22x magnitude gap between the two units, and the way kPa, bar, and atm sit on the same physical scale.

The technical atmosphere as 98,066.5 pascals

The technical atmosphere (kgf/cm2) is fixed at 98,066.5 pascals by the CGPM definition, so the unit is a clean decimal multiple of the SI pascal with no calibration, averaging, or drift.

The psi as 6,894.757293168 pascals

NIST SP 811 defines 1 psi as exactly 6,894.757293168 pascals, derived from the pound-force and the square inch. The kgf/cm2 to psi ratio carries nine significant figures because both pascal definitions are exact.

The 14.22x magnitude gap between kg/cm2 and psi

1 kgf/cm2 is roughly 14.22 times larger than 1 psi, so a 7 kg/cm2 hydraulic reading is about 99.56 psi on a North American gauge. Mixing the units up is the most common manual conversion error.

kPa, bar, and atm on the same physical scale

1 kPa is exactly 1,000 Pa, 1 bar is exactly 100,000 Pa, and 1 atm is exactly 101,325 Pa. Weather and process maps use kPa or bar, vacuum references use atm, and European hydraulics use kgf/cm2, so the same source value reads cleanly across all three cross-check rows.

The kgf/cm2 unit is a pressure, not a force, even though the kilogram-force portion reads like a weight. The kilogram-force and the square centimeter stay together, so the calculator never treats the kilogram portion as a mass alone, and it never splits the square centimeter out of the unit.

When the same pressure needs to read against the full SI prefix ladder, the ATM to Pascals Conversion tool applies the 101,325 pascals per atmosphere anchor against kPa, hPa, mPa, and Pa.

How to Use This Calculator

The kg cm2 to psi converter has a value field and a direction toggle. Pick the direction, type the number, and read the converted pressure plus the kPa, bar, and atm cross-check rows in the same result panel.

  1. 1 Pick the conversion direction: Use the dropdown to switch between kg/cm2 to psi and psi to kg/cm2. The default is kg/cm2 to psi for the most common hydraulic, pneumatic, and engineering workflow.
  2. 2 Type the pressure value: Enter the value in the unit set by the direction toggle. Try 1 for a quick sanity check, 7 for the Omni reference value, 140 for a hydraulic line rating, or 9 for a psi reverse check.
  3. 3 Read the converted pressure: The black box at the top of the result panel shows the answer in the target unit. For 1 kg/cm2 the answer is 14.2233 psi, and for 14.223343307 psi the answer is 1 kg/cm2. The unit label switches with the direction toggle.
  4. 4 Cross-check the kPa, bar, and atm rows: The result panel also shows the same pressure in kilopascals, bar, and standard atmospheres. Compare against a published chart or a separate calculator to confirm the 14.223343307 factor is being applied correctly.
  5. 5 Switch direction for the reverse: Toggle the direction dropdown to flip between kg/cm2 to psi and psi to kg/cm2. The same value and cross-check rows are kept, so a round trip takes two clicks and never loses precision.

A European hydraulic data sheet lists a working pressure of 140 kgf/cm2. Toggle the direction to kg/cm2 to psi and type 140. The calculator returns 1,991.27 psi alongside 13,729.31 kPa, 137.2931 bar, and 135.4977 atm. Toggle to psi to kg/cm2 and the same value rounds back to 140 kgf/cm2 within the display precision.

When the kg/cm2 reading is gauge pressure and the workflow needs an explicit psig or psia distinction, the Bar to Psig Conversion Calculator keeps the gauge versus absolute reference frame in view.

Benefits of Using This Calculator

The advantage of a single, factor-driven kg cm2 to psi conversion is that the result is exact and the cross-check rows make it self-validating, removing the rounding error and misplaced-decimal mistakes that creep in when each conversion is done by hand.

  • Exact NIST factor: The 14.223343307 factor is fixed by the NIST pascal definitions for 1 kgf/cm2 and 1 psi, so the calculator returns the same value at any precision with no empirical calibration needed.
  • Bidirectional in one tool: Switch the direction toggle to flip between kg/cm2 to psi and psi to kg/cm2. The same input and cross-check rows stay in place, so a round trip never loses precision.
  • Three cross-check rows: Every result includes the equivalent pressure in kPa, bar, and atm, catching transcription errors early when a kg/cm2 value was rounded to 1 or 2 significant figures.
  • Worked kg/cm2 and psi examples: The 1 kg/cm2 reference, the 7 kg/cm2 hydraulic value, and the 9 psi reverse check are built into the explanation, covering gauge reading translation, datasheet comparisons, and round-trip audits.

The calculator is useful before values move into reports, lab sheets, spreadsheets, specification comparisons, or classroom examples. It can also help check whether a copied psi value is plausible for the stated kgf/cm2 reading. It is not a replacement for design codes, pressure-vessel rules, hydraulic equipment instructions, or manufacturer ratings.

When the source value is a pound-force over square-inch area rather than a kg/cm2 pressure reading, the Lbs to PSI Calculator handles that force-over-area case in a separate entry.

Factors That Affect Your Results

The kg cm2 to psi conversion is exact, but the usefulness of any specific number depends on what the input represents, on the precision of the original record, and on whether the rest of the workflow is using the same pressure reference.

Source precision

Converted values should not imply more precision than the original measurement. A 7 kg/cm2 hydraulic placard cannot give a 99.563403149 psi answer more accurately than the placard itself supports, so round to the placard precision before quoting the psi value.

Direction of conversion

The factor is x 14.223343307 when going from kg/cm2 to psi and / 14.223343307 when going the other way. Mixing up the direction is the most common source of a 14.22x error in manual conversion, so check the direction toggle before reading the result.

kgf/cm2 versus psia and psig

psi can mean gauge pressure (psig), absolute pressure (psia), or differential pressure (psid). The 14.223343307 factor is a unit conversion, not a reference conversion, so it applies to any kg/cm2 value as long as the psi side uses the same pressure reference.

  • The kgf/cm2 unit is not an SI unit, even though it is accepted for use alongside the SI by the CGPM. The SI-recommended unit for the same range is the pascal, and a few engineering datasheets still prefer psi, so always check the unit the rest of the system expects.
  • The conversion factor is exact, but the real pressure being measured is not. A hydraulic line pressure of 140 kgf/cm2 is a single operating-condition snapshot, and the actual pressure can drift with temperature, load, regulator wear, and pump cycle.

Atmospheric pressure is the most useful benchmark for a real value. At 1.0332 kgf/cm2, the standard atmosphere reads 14.696 psi, the same number that anchors US weather reports, altimeter settings, and SCUBA tank ratings.

According to BIPM SI Brochure, the pascal is the SI derived unit of pressure, equal to one newton per square meter, and is the unit through which kgf/cm2 and psi are related.

For a broader psi-side panel that also covers kPa, bar, atm, and MPa in a single entry, the PSI Conversion Calculator applies the same NIST pascal definitions to the full psi family.

kg cm2 to psi converter reading with direction toggle, input field, and live cross-check rows in psi, kPa, bar, and atm
kg cm2 to psi converter reading with direction toggle, input field, and live cross-check rows in psi, kPa, bar, and atm

Frequently Asked Questions

Q: How do you convert kg/cm2 to psi?

A: Multiply the kg/cm2 value by 14.223343307 to get psi. So 1 kg/cm2 x 14.223343307 = 14.2233 psi, and 7 kg/cm2 x 14.223343307 = 99.5634 psi. The factor is fixed by the NIST pascal definitions, so the result is exact at any display precision.

Q: What is the formula for kg/cm2 to psi?

A: The formula is p(psi) = p(kg/cm2) x 14.223343307. The reverse conversion is p(kg/cm2) = p(psi) / 14.223343307. The factor comes from 1 kgf/cm2 = 98,066.5 pascals and 1 psi = 6,894.757293168 pascals, so the ratio is fixed by NIST SP 811.

Q: How many psi are in 1 kg/cm2?

A: There are exactly 14.223343307 psi in 1 kg/cm2, because 1 kgf/cm2 equals 98,066.5 pascals and 1 psi equals 6,894.757293168 pascals. The same 1 kg/cm2 reading also equals 98.0665 kPa, 0.980665 bar, or 0.9678 atm.

Q: Is kg/cm2 the same as kgf/cm2?

A: Yes. kg/cm2 and kgf/cm2 are the same unit (kilogram-force per square centimeter), often written as at, atm(technical), or kg/cm2 on a gauge. The kgf spelling makes the kilogram-force portion explicit, while kg/cm2 is the more compact form on most datasheets.

Q: Can I convert psi back to kg/cm2?

A: Yes. Divide the psi value by 14.223343307. So 14.223343307 psi gives 1 kg/cm2, 99.5634 psi gives 7 kg/cm2, and 9 psi gives 0.6328 kg/cm2. The same factor works for hydraulic, pneumatic, and gas-cylinder readings because both pascal definitions are exact.

Q: What is 7 kg/cm2 in psi?

A: 7 kg/cm2 equals 99.5634 psi, calculated as 7 x 14.223343307. The same value reads as 686.4655 kPa, 6.864655 bar, and 6.7749 atm in the cross-check rows of this calculator, so the same source pressure can be quoted in any of the four common units.